Walker 200-91225 Throttle Position Sensor

Walker Throttle Position Sensor 200-91225

Walker Products FSK 200-91225 is a throttle position sensor for select Mazda and Kia applications. It provides the throttle angle signal the engine management system uses to monitor accelerator input and support proper fuel and ignition control.

Key Features

• Throttle position sensor for emission control and engine management systems
• Walker Products FSK line for OE-style replacement coverage
• Built to meet or exceed OEM standards and specifications
• Supported by Walker’s in-house manufacturing, engineering, and product management teams
• ISO 9001 and IATF 16949 certified manufacturing background

Vehicle Fitment

• Fits 1999-2005 Mazda Miata, N/A
• Fits 1997-2001 Mazda Protege, N/A
• Fits 1997 Kia Sephia, N/A

Product Details

This throttle position sensor is part of Walker Products FSK, a product line focused on fuel system and engine sensor coverage for the automotive aftermarket. The 200-91225 is listed for 1999-2005 Mazda Miata, 1997-2001 Mazda Protege, and 1997 Kia Sephia applications, making it a direct-fit option for vehicles that rely on accurate throttle input feedback. Walker has supplied fuel system components and engine sensors since 1946, with production and technical support centered on maintaining application accuracy and OEM-level specifications. This part cross-references Standard Ignition TH318 for the same application.

Common Repair Symptoms

• Erratic or delayed throttle response
• Rough idle or unstable engine speed
• Check engine light related to throttle position signal faults
• Hesitation during acceleration
• Incorrect throttle angle readings in the engine control system

Installation Notes

Verify connector style, mounting points, and calibration requirements against the original sensor before installation. After replacement, clear diagnostic trouble codes and confirm throttle signal output with a scan tool where applicable. For best results, inspect the throttle body and related wiring for wear, corrosion, or contamination during service.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company supports its parts with manufacturing, engineering, product management, and technical documentation resources, and operates under ISO 9001 and IATF 16949 certified quality systems.